Please dont use excel, i will upvote for the correct answer!

P9.3 Compute the level of on-balance volume (OBV) for the following five-day period for a stock. The beginning level of OBV is 50,000, and the beginning price is $35. Day Closing Price ($) Trading Volume (shares) 1 $29 50,000 2 $27 35,000 3 $33 20,000 4 $35 40,000 5 $34 25,000 Is this stock following a bullish trend or a bearish trend? Explain and plot a line that represents the OBV for this stock